TY  - RPRT
TI  - What competition?
AU  - Christian Keysers
AU  - David I. Perrett
PY  - 2002
DO  - 10.1016/s1364-6613(02)01877-6
UR  - https://pubmed.ncbi.nlm.nih.gov/11861188/
ID  - 11861188
ER  -